Eugene, OR weather in August
In August, Eugene sees highs around 84°F and lows around 52°F: warm and dry. There are about 3 days with rain. It is one of the warmest months in Eugene. Good for outdoor plans.
- Normal high
- 84°F
- Normal low
- 52°F
- Wet days
- 3
- 0.4 in total
- Muggy days
- 0
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 86°F | 82°F |
| Normal low | 52°F | 50°F |
| Chance of a wet day | 7% | 13% |
| Sunrise / sunset | 6:00 am / 8:36 pm | 6:34 am / 7:50 pm |
| Daylight | 14.6 h | 13.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical August day
- 6 am55°Fdew point 51°F
- 9 am66°Fdew point 53°F
- Noon76°Fdew point 52°F
- 3 pm82°Fdew point 51°F
- 6 pm79°Fdew point 52°F
- 9 pm65°Fdew point 53°F
NOAA hourly normals (local standard time) from Eugene Mahlon Sweet Airport (9 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
- Hot dayshigh 90°F or more7 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow3 of 31
- Notable rainat least 0.10 in1 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 0.4 in; a dry August brings about 0.04 in and a wet one about 0.6 in (25th and 75th percentiles). Days with half an inch or more are rare.
How August varies from year to year
- Warmest August, 1991-20202014: average high 88°F
- Coolest August1999: average high 80°F
- Wettest August1993: 1.8 in
- Driest August1994: no measurable precipitation
- Highest reading104°F (August 19, 2016)
- Lowest reading38°F (August 31, 2008)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 84°F | 84°F | 78°F |
| Normal low | 52°F | 52°F | 48°F |
| Wet days | 3 | 3 | 6 |
| Comfortable days | 11 | 10 | 18 |
| Daylight | 15.1 h | 14.0 h | 12.5 h |
Highs change by 0°F from July and -6°F into September.
Nearby alternatives in August
- Cooler: Cannon Beach, OR134 mi · high 69°F · 6 wet days
How Eugene ranks in August
- Normal high224th warmest of 378 cities; 1st of 6 in Oregon
- Wet days69th driest of 378
- Comfortable days64th most of 341
What to pack for Eugene in August
- Layers – afternoons near 84°F but nights near 52°F
Heating and cooling
August has 24 heating degree days and 114 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Eugene in August?
The normal high is 84°F and the normal low is 52°F. From 1991 to 2020 the hottest August reading was 104°F (most recently on August 19, 2016).
Does it rain a lot in Eugene in August?
About 3 days in August have at least 0.01 in of precipitation, and the normal total is 0.4 in. The wettest August in 1991-2020 was in 1993 (1.8 in); the driest was in 1994, with no measurable precipitation.
Is August a good time to visit Eugene?
August ranks 5th of 12 months on our comfort score for Eugene (65 out of 100). It has about 10 comfortable days and about 7 days at 90°F or hotter. The best month is June.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Eugene Mahlon Sweet Airport (USW00024221), 8.5 mi NW of the city center, 353 ft (77 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Cottage Grove 2E (USC00351897), 18 mi S of the city center, 595 ft (165 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mahlon Sweet Field Airport (726930-24221), 8.5 mi NW of the city center, 358 ft (72 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).